Top federal health officials actively took steps to “delay warning the public” for months in 2021 about the potential risks of heart-related complications from receiving mRNA COVID-19 vaccines, a scathing interim report from Sen. Ron Johnson’s office alleges.

Starting in February 2021, federal health agencies had been alerted to “large reports of myocarditis” in young people who received the Pfizer vaccine, but waited until late June that year to adjust the vaccine labels to make that side effect known.

“Even though CDC and FDA officials were well aware of the risk of myocarditis following COVID-19 vaccination, the Biden administration opted to withhold issuing a formal warning to the public for months about the safety concerns, jeopardizing the health of young Americans,” the 54-page interim report said.

Sen. Ron Johnson’s team is investigating other aspects of the COVID-19 response.Getty Images
Myocarditis is an inflammatory condition of the heart muscle while pericarditis entails inflammation of the lining sac around the heart and myopericarditis is a combination of the two ailments.

Most patients who suffer from those side effects eventually experience “resolution of symptoms,” according to the Centers for Disease Control and Prevention (CDC).

On Feb. 28, 2021, an Israeli Ministry of Health official attempted to contact the CDC and Food and Drug Administration (FDA) about 40 cases of myocarditis and other heart-related ailments in young people from the Pfizer vaccine.

The 54-page report chronicled how top health officials deliberated over data about myocarditis risks and were cautious about being “alarmist.”James Keivom
At the time, Israel had a much higher vaccination rate than the US, the report noted.

About 10 days later, an FDA official drafted a response noting that “limitations of passive surveillance … [and] incomplete data make it challenging to assess causation.”

US health officials requested more data from the Israelis.

By mid-April, a Defense Department contractor involved with the Pentagon’s work on immunization delivered a presentation to the COVID-19 Vaccine Safety Technical (VaST) working group that concluded “there is a high likelihood that cardiac symptoms following COVID-19 vaccination represent a hypersensitivity eosinophilic myocarditis.”

By this time, there had been more than 158 cases cases of myocarditis, pericarditis or myopericarditis reported on the Vaccine Adverse Event Reporting System (VAERS).

The following month, the COVID-19 vaccine was approved for adolescents and members of VaST “felt that information about reports of myocarditis should be communicated to providers.”

Top health officials also began deliberating releasing a draft National Health Alert Network (HAN) warning about myocarditis and pericarditis side effects from the vaccine.

HHS Secretary Robert F. Kennedy Jr. has been fiercely critical of government’s handling of the COVID-19 pandemic.Getty Images
“The pros and cons of an official HAN are what the main discussions are right now,” CDC official Dr. Sara Oliver wrote to Moderna on May 25, 2021. “I think it’s likely to be a HAN since that is CDC’s primary method of communications to clinicians and public health departments, but people don’t want to appear alarmist either.”

About a day later, then-FDA commissioner Dr. Janet Woodcock wrote in an email to then-CDC director Rochelle Walensky that the FDA was opposed to blasting out the warning as drafted.

Other top health officials raised objections as well. Then-director of the Center for Biologics Evaluation
and Research Peter Marks expressed concerns that “myocarditis and pericarditis have not actually signaled.”

Another official raised concerns that the HAN was necessary because “messages have not been trickling from the vaccine programs to providers at large.”

The COVID-19 vaccines had been developed in record time.LightRocket via Getty Images
Instead of issuing the HAN warning, the CDC put out a notice on its website May 28, 2021, that there had been “increased cases of myocarditis and pericarditis” reported in the US following mRNA COVID-19 vaccination from Pfizer and Moderna but continued to recommend immunization for those ages 12 and up.

Internal Biden administration talking points from this time period described myocarditis from COVID-19 vaccine as “rare” and had been circulated to top health brass.

“It is unclear, though, whether these talking points, which minimized the risk and harm of myocarditis, had any effect on the decision to not issue the HAN,” Johnson’s report noted.

By this point, the number of VAERS reports had spiked to 752 cases.

Then on June 25, 2021, the FDA updated the labels on the Pfizer and Moderna vaccines to note the risk of myocarditis and similar complications.

Officials at the CDC and elsewhere opted against issuing a major warning for the myocarditis side effects of the vaccine, the 54-page interim report said.Shutterstock
The report was made public one day after the FDA announced it was moving to tighten requirements for administering booster shots.

Johnson (R-Wis.) is the chair of the Senate Permanent Subcommittee on Investigations and has led multiple investigations into the government’s response to the COVID-19 pandemic.

“The full extent of the Biden administration’s failure to immediately warn the public about all COVID-19 vaccine adverse events must be completely exposed,” his report concluded.

“The American people fund the federal health departments and agencies with their hard-earned tax dollars. The information developed by these departments and agencies belong to the American people.”